chore: re-enable development warnings

Author: jacob-ebey

packages/react-router-dev/vite/plugin.ts

@@ -858,6 +858,7 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
               "react-router/dom",
               "react-router-dom",
             ],
+            conditions: viteCommand === "build" ? [] : ["development"],
           },
           base: viteUserConfig.base,
 

packages/react-router/lib/components.tsx

@@ -62,9 +62,9 @@ import {
 import type { ViewTransition } from "./dom/global";
 import { warnOnce } from "./server-runtime/warnings";
 
-// TODO: Let's get this back to using an import map and development/production
-// condition once we get the rollup build replaced
-const ENABLE_DEV_WARNINGS = true;
+// Provided by the build system
+declare const __DEV__: boolean;
+const ENABLE_DEV_WARNINGS = __DEV__;
 
 /**
  * @private

packages/react-router/lib/hooks.tsx

@@ -50,9 +50,9 @@ import {
 } from "./router/utils";
 import type { SerializeFrom } from "./types";
 
-// TODO: Let's get this back to using an import map and development/production
-// condition once we get the rollup build replaced
-const ENABLE_DEV_WARNINGS = true;
+// Provided by the build system
+declare const __DEV__: boolean;
+const ENABLE_DEV_WARNINGS = __DEV__;
 
 /**
   Resolves a URL against the current location.

packages/react-router/package.json

@@ -18,42 +18,53 @@
   "license": "MIT",
   "author": "Remix Software <[email protected]>",
   "sideEffects": false,
-  "types": "./dist/index.d.ts",
-  "main": "./dist/index.js",
-  "unpkg": "./dist/umd/react-router.production.min.js",
-  "module": "./dist/index.mjs",
+  "types": "./dist/production/index.d.ts",
+  "main": "./dist/production/index.js",
+  "module": "./dist/production/index.mjs",
   "exports": {
     ".": {
       "node": {
-        "types": "./dist/index.d.ts",
-        "module-sync": "./dist/index.mjs",
-        "default": "./dist/index.js"
+        "types": "./dist/production/index.d.ts",
+        "development": {
+          "module-sync": "./dist/development/index.mjs",
+          "default": "./dist/development/index.js"
+        },
+        "module-sync": "./dist/production/index.mjs",
+        "default": "./dist/production/index.js"
       },
       "import": {
-        "types": "./dist/index.d.mts",
-        "default": "./dist/index.mjs"
+        "types": "./dist/production/index.d.mts",
+        "development": "./dist/development/index.mjs",
+        "default": "./dist/production/index.mjs"
       },
       "default": {
-        "types": "./dist/index.d.ts",
-        "default": "./dist/index.js"
+        "types": "./dist/production/index.d.ts",
+        "development": "./dist/development/index.js",
+        "default": "./dist/production/index.js"
       }
     },
     "./types": {
-      "types": "./dist/lib/types.d.ts"
+      "types": "./dist/production/lib/types.d.ts"
     },
     "./dom": {
       "node": {
-        "types": "./dist/dom-export.d.ts",
-        "module-sync": "./dist/dom-export.mjs",
-        "default": "./dist/dom-export.js"
+        "types": "./dist/production/dom-export.d.ts",
+        "development": {
+          "module-sync": "./dist/development/dom-export.mjs",
+          "default": "./dist/development/dom-export.js"
+        },
+        "module-sync": "./dist/production/dom-export.mjs",
+        "default": "./dist/production/dom-export.js"
       },
       "import": {
-        "types": "./dist/dom-export.d.mts",
-        "default": "./dist/dom-export.mjs"
+        "types": "./dist/production/dom-export.d.mts",
+        "development": "./dist/development/dom-export.mjs",
+        "default": "./dist/production/dom-export.mjs"
       },
       "default": {
-        "types": "./dist/dom-export.d.ts",
-        "default": "./dist/dom-export.js"
+        "types": "./dist/production/dom-export.d.ts",
+        "development": "./dist/development/dom-export.js",
+        "default": "./dist/production/dom-export.js"
       }
     },
     "./package.json": "./package.json"

packages/react-router/tsup.config.ts

@@ -7,32 +7,37 @@ import pkg from "./package.json";
 
 const entry = ["index.ts", "dom-export.ts", "lib/types.ts"];
 
-export default defineConfig([
-  {
-    clean: false,
-    entry,
-    format: ["cjs"],
-    outDir: "dist",
-    dts: true,
-    banner: {
-      js: createBanner(pkg.name, pkg.version),
+const config = (enableDevWarnings: boolean) =>
+  defineConfig([
+    {
+      clean: false,
+      entry,
+      format: ["cjs"],
+      outDir: enableDevWarnings ? "dist/development" : "dist/production",
+      dts: true,
+      banner: {
+        js: createBanner(pkg.name, pkg.version),
+      },
+      define: {
+        "import.meta.hot": "undefined",
+        REACT_ROUTER_VERSION: JSON.stringify(pkg.version),
+        __DEV__: JSON.stringify(enableDevWarnings),
+      },
     },
-    define: {
-      "import.meta.hot": "undefined",
-      REACT_ROUTER_VERSION: JSON.stringify(pkg.version),
+    {
+      clean: false,
+      entry,
+      format: ["esm"],
+      outDir: enableDevWarnings ? "dist/development" : "dist/production",
+      dts: true,
+      banner: {
+        js: createBanner(pkg.name, pkg.version),
+      },
+      define: {
+        REACT_ROUTER_VERSION: JSON.stringify(pkg.version),
+        __DEV__: JSON.stringify(enableDevWarnings),
+      },
     },
-  },
-  {
-    clean: false,
-    entry,
-    format: ["esm"],
-    outDir: "dist",
-    dts: true,
-    banner: {
-      js: createBanner(pkg.name, pkg.version),
-    },
-    define: {
-      REACT_ROUTER_VERSION: JSON.stringify(pkg.version),
-    },
-  },
-]);
+  ]);
+
+export default defineConfig([...config(false), ...config(true)]);